HISTORY OF ENTOMOLOGY. 451 
after De Geer, he denominates his primary groups) were 
as follows :—- 
1, KuevrHerata®*. (Coleoptera LL.) Mazilla naked, 
free, palpigerous. 
2. Utonata?. (Orthoptera Oliv.) Mavilla covered by 
an obtuse galea or lobe. 
3. Synistata®. (Neuroptera L., excluding the Lzbel- 
lulina, and taking in Termes L. and Thysanura 
Latr.) Mazilla geniculate at the base and connate 
with the labium. 
4, Prezata*, (Hymenoptera L.) Mavilla corneous, 
compressed, often elongate. 
5. Oponata’®. (Libellulina M¢L.) Maxilla corneous, 
toothed, two palpi. 
6. Mrrosava‘. (Myriapoda Leach.) Mazilla corneous, 
vaulted, not palpigerous. 
1K 
7. Unocatas’. (Pulmonary Arachnida Latr.) Mazilla 
corneous, armed with a claw. 
He He 
8. Potyconata". (Isopod and Branchiopod Crustacea 
Latr.) Palpi mostly six; Mazille many within the 
labium. 
9. Kiersroenatua'. (Brachyurous Decapod Crustacea 
Latr.) Many Mazille without the labium, closing 
the mouth. 
9 From Eacvdegos, Free. > Derivation uncertain. Perhaps 
Avawy, A long and narrow space or tract. 
© Suvornes, To stand together. 4 Tliego, To press. 
® Odss, A tooth. f Miroc, A thread. i 
® Unogatais probably a mistake for Onychata ; from Ovvg, A claw. 
* Doubtless for Polygnatha ; from ToavgsMany, and Tvedos, A jaw. 
i Kacwros, Closed, and T'vedos. 
DG Gs 
